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, bor: F, the chain E being attached to the slamle'rod.

@dem mes' talenti @ffii-i*- PHILIP -WECK, OF BROOKLYN, YOB-K` Letters .Patent No. 72,343, dated December 17,1867.

TIDAL-WATER BLEVATOR.

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TO ALL WHOM IT MAY CONCERN:` v

Be it known that I, PII'ILIP WEcK,`oi` Brooklyn, inthe county of Kings, and State of New York, have invented a new and improved Tidalor Self-Acting Elevator; and that the following descr'iptin, taken in connection with' the accompanying drawings, hereinafter referred to, forms a full and enact specification of the same, wherein I have set' forth the nature and principles of mysaid improvements, by which my inventionl may .be distinguished from all others `of a similarucluss,tog'e'ther with such parts as Iclaim, and desire to have secured to me by Letters Patent.

' This invention relates to a-new and improved device for elevating water and other articles by the rising and fallingl of the tides, and is designed to be perfectly self-acting, and to eilect a great Saving in labor and expense in elevating articles in places where the tides ebb and flow in any material degree. In the accompany- 1 ingsheet of drawings lgure 1 is a. side sectional view of myI invention, taken in the line :e x, iig. 2.

Figure 2, a plan or top View of the same. I Similar letters of'reference indicate like parts. A represents a frame, which may be constructed in any'prop'er manner to support the working parts, and B represents a' receptacle placed in said frame, to receive the elevated article, which, in this instance, is water. On the upper part ofthe frame A there ,are-placed transversely two shafts, GC', having pulleys D D on them, provided with radial teeth a, tooateh into the links of a chain, E, which passes over both of said pulleys, and has -a box, F, attached to o ne end of it, in which the water is raised. AThe opposite end ofthe chain has a weight, G, attached to it, and lthe chain also passes over a pulley, H, at the upper part of one sideof the frame A, said pulley being also provided with teeth a. Theehain also, between the pulley H and 'the pulley Df, has a pulley, I, fitted upon it, the shift 6 of which has'itsends in the top of whatmay be termed a buoy, J.

On oneV end of the shafts C Cthere are placed ratchet-wheels K K', into which pawls L L catch, said pawls being connected by avrod, M, and on the shaft N of the pulley H there' is also a ratchet-wheel, O, into` which a pawl, P, catches, said'pawl being-,connected to-,a wheel, Q, just above the ratchet-wheel, O, said wheel Q, having aua-rm, c, attached, which isconnected to the-* pawl L. by a rod, R, as shown in both figures.

^ The .pawl L has a pendant, S, attached'to it, and to theinner side of the box .F therel is -attacheda. lever,

having a valve','cl, at its low-er end, to work-over a'hole, e. The upper pai-t of this lever, above its fulcrum yf, has an IudiaLi-ubber or other spring, fx, attached toit, which spring has a tendency to keep the valve in a closed state. To the lever T, above the fulcrum f, there is also attached one end of a chain, U, which passes underneatha horizontal rod, g, in the box, and is connected to a float, V, as shown clearly in fig. 1'.- The paw. L'has a chain, W,`^attached,' which extends downward, and is connected to a rod, 7L, in the upper part of the The operation is as follows: Suppose, for instance, the box F tobe immersed in a stream to such a depthf that its upper edgewill be about -on a level with the-low-water line, the box being of such specific gravity that itwill sink in the water, and the buoy J specifically lighter, but, as a mass, heavier than F when' filled with water. As vsoon as the tide commences to rise, the box Fwill fill-at once, the valvecl being kept closed bythe buoyancyof thc float V. The buoy J'rises with the tide, the -weight Gr partially assisting its ascent and keeping the chain E taut. When-the tide commences to fall, the buoy.) falls or. descends with it, and raises thel box F, the pulley H iiot being allowed to turn, iu consequence of pawl P; and when the buoy rises with a suc-- ceeding tide, the box F is retained or held up in consequence of the pawls L Ll engaging with the ratchets D D. The operation thus continues, the box F being raised, during thel falling of each tide, a dista-nce 'equal to that included between high and low-water mark. The box F is raised suiicieutly high to admit of its lowerpart extending a trilie above the level of the top of the receptacle B; andwhen the box reaches this point, the rod hstrikes the lower end of the pendant S, and throws u-p the pawl L from ratchet K,the pawlL being also' thrown up frein its ratchet K", in consequence of the-rod M connecting them both. The lever T, previous to the raising of the pawls LL", comes iu Contact with the ratchet and is thereby actuated so that' the valve d will be opened, and the water allowed to escape from F into B'; and when the pawls L are raised from the ratchets D` D', the pawl P is also raised from its ratchet 0, und the box F' is allowed to descend, to be reiilled,

e of the springfX, as soon as the lever '1 descends below the ratchet K. closemthe valve d, and keep it closed, down in contact with their ratchets the valve d closing, under the intluenc In practice, however, the spring fX isunimportant, as the buoy V will when the box F becomes lled. The chain W brings the pawls L L P when the box F reaches its lower point of descent.

In certain cases, where it would be desirable to have the box F elevated.more rapidly than during each ebb of the tide, it may be elevated, during the rising of the tide, by a supplemental chain, UX, attached to chain E, and passing through the buoy J around a pulley, ax, at the bottom of frame A, and then attached to the bottom of the buoy J.

v This device may be used for elevating any su only by the action of the tide, a clock-movement may on the frame A; and operated by a chain or gearing from the shaft C.

Having thus described my invention, I claim as non', and desire to secure by Letters Patentl, Thebox F and buoy J, in combination with the chain E and weight G, toothed pulleys D D H, r K K', and pawls L L P, all arranged to operate in the manner substantially as and for the purpose sctforth.

2. The pendant S, attached to the pawl L, in connection with the rods M R, whichvconnect the pawls L L P, to insure a simultaneous detachment of said pawls from their ratehets K K O, and a. simultaneous application thereto, substantially as and for the purpose specified.

3. 'The float V, connected with the valve-lever T in box F, and arra tially as and for the purpose set forth.

4. The supplemental chain UX, applied to t specified.

The above specilication of my invention signed by me, this 4th day of April, 1867.

bstanee in the locality of tide-water, and as the parts move be connected to the working parts, say with a shaft, VX,

atchet nged to operate in the manner substan- PHILIP WECK.

Y Witnesses:

WM. F.MeNAMAnA, J. A. SERVICE.

he chain E and buoy J', substantially as and for the purpose p 

